WorksheetsChemical Reactions Quiz 2 Review
Total questions: 15
Worksheet time: 9mins
Which reaction type produces only one product?
Synthesis
Decomposition
Replacement
Which reaction type starts with only one reactant?
Synthesis
Decomposition
Replacement
Which reaction type shows one element trading places with another element? Each side of the equation has one element and one compound.
Single Replacement
Double Replacement
Which reaction type shows two
elements trading places?
Each side of the equation has two compounds.
Single Replacement
Double Replacement
Which equations show synthesis reactions?
Fe + S --> FeS
2AgBr --> 2Ag + Br2
C + O2 --> CO2
H2CO3 --> H20 + CO2
Which equations show decomposition reactions?
Fe + S --> FeS
2AgBr --> 2Ag + Br2
C + O2 --> CO2
H2CO3 --> H20 + CO2
Which equations show single replacement reactions?
Mg + 2HCl --> MgCl2 + H2
Na2S + 2HCl --> 2NaCl +H2S
Cl2 + CaI2 --> CaCl2 + I2
AgNO3 + NaCl --> AgCl + NaNO3
Which equations show double replacement reactions?
Mg + 2HCl --> MgCl2 + H2
Na2S + 2HCl --> 2NaCl +H2S
Cl2 + CaI2 --> CaCl2 + I2
AgNO3 + NaCl --> AgCl + NaNO3
A burning candle is an example of which form of chemical reaction?
Is it exothermic or endothermic?
Exothermic
Endothermic
A baking soda and vinegar reaction is an example of which form of chemical reaction? The surroundings get cold.
Exothermic
Endothermic
Look at the graph. Which type of reaction does this show?
The products have more energy than the reactants.
Endothermic
Exothermic
Look at the graph. Which type of reaction does this show? The products have less energy than the reactants.
Endothermic
Exothermic
How could we make this reaction happen more quickly?
Crush the chalk to increase the surface area
Decrease the concentration of the acid
Put the test tube in an ice bath
Which of the following increase the reaction rate?
Less surface area
Increased concentration
An inhibitor
Dylan and Diana were making iced tea. They wanted to add sugar. They added sugar cubes to the tea. What are two ways that they could get the sugar to dissolve faster into the tea? Explain why your suggestion will increase the rate of the change.
Stir and tea and crush the cubes
Cool the tea
